<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    *{
        padding: 0;
        margin: 0;
    }
    .wapper{
        width: 50px;
        height: 50px;
        border-radius: 50%;
        border: 2px solid black;
        margin: 100px auto;
        position: relative;
         overflow: hidden; 
    }
    .wapper .wave{
        position: absolute;
        width: 150px;
        height: 150px;
        background-color: blue;
        opacity: 0.7;
        border-radius: 50px;
        animation: move 2s infinite alternate;
    }
    @keyframes move{
        to{
            transform: rotate(1turn);
        }
    }
    .wapper .wave1{
        top: 20px;
        left: -10px;

    }
    .wapper .wave2{
        top: 10px;
        left: 0;
        opacity: 0.5;
        animation-duration: 0.2s;
        
    }

</style>
<body>
    <div class="wapper">
        <div class="wave wave1"></div>
        <div class="wave wave2"></div>

    </div>
</body>
</html>